舟山助焊劑銷(xiāo)售正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="【正盟環(huán)?！繕?shù)脂系列助焊劑在電子產(chǎn)品的焊接中使用比例較大的是樹(shù)脂型助焊劑。由于它只能溶解于有機(jī)溶劑，故又稱(chēng)為有機(jī)溶劑助焊劑，其主要成分是松香。松香在固態(tài)時(shí)呈非活性，只有液態(tài)時(shí)才呈活性，舟山助焊劑銷(xiāo)售，其熔點(diǎn)為127℃活性可以持續(xù)到315℃。"><meta name="keywords" content="舟山助焊劑銷(xiāo)售,助焊劑"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> 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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>舟山助焊劑銷(xiāo)售,助焊劑</p><p><span>***更新：</span>2020-09-03 22:13:47</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gqs8df3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州正盟環(huán)保工程有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13771706346</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span>http://www.hzzmhbgc.com</p><p><span>手機(jī): </span>0571-88117763</p><p><span>地址: </span>順風(fēng)路528號(hào)2號(hào)樓南樓東向3層</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vzblc8m" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ujvsegx" class="box"><p><p style="text-indent:25px">【正盟環(huán)保】樹(shù)脂系列助焊劑在電子產(chǎn)品的焊接中使用比例較大的是樹(shù)脂型助焊劑。由于它只能溶解于有機(jī)溶劑，故又稱(chēng)為有機(jī)溶劑助焊劑，其主要成分是松香。松香在固態(tài)時(shí)呈非活性，只有液態(tài)時(shí)才呈活性，舟山助焊劑銷(xiāo)售，其熔點(diǎn)為127℃活性可以持續(xù)到315℃。錫焊的溫度為240～250℃，所以正處于松香的活性溫度范圍內(nèi)，舟山助焊劑銷(xiāo)售，且它的焊接殘留物不存在腐蝕問(wèn)題，這些特性使松香為非腐蝕性焊劑而被廣泛應(yīng)用于電子設(shè)備的焊接中。為了不同的應(yīng)用需要，松香助焊劑有液態(tài)，舟山助焊劑銷(xiāo)售、糊狀和固態(tài)3種形態(tài)。固態(tài)的助焊劑適用于烙鐵焊，液態(tài)和糊狀的助焊劑分別適用于波峰焊。浙江杭州正盟環(huán)保供應(yīng)***助焊劑。舟山助焊劑銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑銷(xiāo)售,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275449218/8342179.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】目前國(guó)內(nèi)常用的可靠性評(píng)價(jià)試驗(yàn)主要為：表面絕緣阻抗測(cè)試，其次銅鏡腐蝕測(cè)試、離子濃度測(cè)試、軟釬焊性試驗(yàn)等。銅鏡腐蝕測(cè)試將欲測(cè)試的免清洗助焊劑滴在銅板(40.0mm×40.0 mm×0.2 mm)上，使其自然漫流，然后放人80℃的烘箱中烘2 h，取出冷卻后再放入潮濕箱(溫度40℃，濕度93%)中72 h查看銅板的顏色變化，如顏色變?yōu)樯罹G，則發(fā)生了腐蝕，如顏色無(wú)變化或有殘?jiān)?，則表明未發(fā)生腐蝕現(xiàn)象。不粘附性試驗(yàn) 將粉筆末撒到此種涂有免清洗助焊劑焊料的表面，然后擦去，不粘附；用紗布方法試驗(yàn)，紗布上看不到助焊劑殘留物，試板上也無(wú)明顯紗布痕跡。說(shuō)明此種免清洗助焊劑的不粘附性性能優(yōu)良。軟釬焊性試驗(yàn) 在涂有免清洗助焊劑的清潔銅板(50 mm×50mm×1 mm)**放上HLSnPb50(D8 mm×4 mm)釬料，釬料上分別滴上兩滴助焊劑，然后置于275℃的恒溫箱內(nèi)1 min，取出測(cè)其漫流面積，據(jù)此可判斷助焊性能的強(qiáng)弱。北京助焊劑制作正盟環(huán)保，現(xiàn)貨供應(yīng)，***助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑銷(xiāo)售,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274873046/806821.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕?shù)脂系列助焊劑在實(shí)際使用中發(fā)現(xiàn)，松香為單體時(shí)，化學(xué)活性較弱，對(duì)促進(jìn)焊料的潤(rùn)濕往往不夠充分，因此需要添加少量的活性劑，用以提高它的活性。松香系列焊劑根據(jù)有無(wú)添加活性劑和化學(xué)活性的強(qiáng)弱，被分為非活性化松香、弱活性化松香、活性化松香和超活性化松香4種，美國(guó)MIL標(biāo)準(zhǔn)中分別稱(chēng)為R、RMA、RA、RSA，而日本JIS標(biāo)準(zhǔn)則根據(jù)助焊劑的含氯量劃分為AA（0.1wt%以下）、A（0.1～0.5wt%）、B（0.5～1.0wt%）3種等級(jí)。杭州正盟環(huán)保工程有限公司成立于1992年，坐落于杭州錢(qián)江經(jīng)濟(jì)開(kāi)發(fā)區(qū)。多年公司秉承“誠(chéng)信、創(chuàng)新、品質(zhì)、分享”的企業(yè)理念，依托區(qū)位、研發(fā)、生產(chǎn)、營(yíng)銷(xiāo)等相對(duì)優(yōu)勢(shì)，致力于“產(chǎn)、學(xué)、研”相結(jié)合和科研成果的轉(zhuǎn)化，先后與同濟(jì)大學(xué)環(huán)境科學(xué)與工程學(xué)院、原化工部成都研究所等學(xué)術(shù)機(jī)構(gòu)建立技術(shù)合作關(guān)系，在電子化學(xué)、環(huán)境功能材料等領(lǐng)域成績(jī)斐然。</p><p style="text-indent:25px">【正盟環(huán)?！克上愫秃稿a膏兩者有何分別？無(wú)機(jī)助焊劑一般是某些酸或者鹽，比如正磷酸H3PO4，有機(jī)助焊劑主要是某些有機(jī)酸或者有機(jī)鹵素；相對(duì)來(lái)說(shuō)，無(wú)機(jī)助焊劑活性相當(dāng)強(qiáng)，去除氧化膜效果較好，但腐蝕性也強(qiáng)，很容易傷及金屬及焊點(diǎn)，一般不能在焊接電子產(chǎn)品中運(yùn)用。焊錫膏就是用機(jī)油乳化后的無(wú)機(jī)焊劑，焊接后可用溶劑清洗，不過(guò)電路板的有些部位是很難清洗的，所以一般不推薦運(yùn)用焊錫膏。有機(jī)助焊劑活性?xún)H次于無(wú)機(jī)助焊劑，也有一定的腐蝕性，且殘?jiān)灰浊逑?，揮發(fā)物對(duì)人體有害。松香的主要成份是松香酸和海松酸，一般成中性，液態(tài)松香有一定活性，呈現(xiàn)較弱的酸性，能與金屬表面氧化物發(fā)生反應(yīng)，生成松香酸銅等化合物，并懸浮在焊錫表面，且運(yùn)用的時(shí)候無(wú)腐蝕，絕緣性強(qiáng)。一般說(shuō)來(lái)，松香是常用的助焊劑。廠家成本價(jià)銷(xiāo)售出廠價(jià)批發(fā)環(huán)保助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑銷(xiāo)售,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！侩娮庸I(yè)助焊劑之如何從技術(shù)性能指標(biāo)的角度選擇助焊劑？(一) 助焊劑是電子工業(yè)中相當(dāng)重要的輔助材料之一，它在電子裝配工藝中影響電子產(chǎn)品質(zhì)量與可靠性。隨著現(xiàn)代信息電子工業(yè)的迅猛發(fā)展，助焊劑的使用量大要求越來(lái)越高。如何能在眾多的助焊劑中挑選一款適合自己所需要的產(chǎn)品，滿足波峰焊工藝使用，從技術(shù)性能指標(biāo)的角度可供初步參考篩選?到適合的產(chǎn)品，首先需要正確理解其各項(xiàng)技術(shù)性能指標(biāo)： PH值：助焊劑去除焊接金屬表面的金屬氧化物通過(guò)酸性反應(yīng)，酸性越強(qiáng)PH值越低，助焊劑的去氧化能力則越強(qiáng)，但同時(shí)帶來(lái)的過(guò)反應(yīng)的問(wèn)題而把金屬基材腐蝕。故助焊劑酸性的大小應(yīng)與金屬材料敏感性相匹配，精密焊接不宜選擇酸性太強(qiáng)的助焊劑，或者焊后需要進(jìn)行清洗。杭州正盟環(huán)保，生產(chǎn)質(zhì)量環(huán)保，環(huán)保級(jí)助焊劑。廣州生產(chǎn)助焊劑</p><p style="text-indent:25px">廠家現(xiàn)貨供應(yīng)助焊劑，焊接*****助焊劑。舟山助焊劑銷(xiāo)售</p><p style="text-indent:25px">【正盟環(huán)?！康退上阈兔馇逑粗竸┦且环N專(zhuān)為用于機(jī)器焊接高級(jí)多層電路板的助焊劑。此類(lèi)助焊劑助焊能力強(qiáng)，發(fā)泡性能好，不含鹵素，在焊接時(shí)產(chǎn)生的煙霧和其殘余物對(duì)焊料和裸銅無(wú)腐蝕性，在較高的預(yù)熱溫度100℃～130℃時(shí)得到狀態(tài)。因此，它是一種較理想的免清洗助焊劑，在板子上具有極高的表面絕緣阻抗以及快干的效果，板子的粘膩感亦可以減少到低的程度，能夠輕易地通過(guò)測(cè)試程序，適用于任何**線路板波峰焊、噴焊及手工焊。該助焊劑中溶劑既要對(duì)焊接表面具有良好的保護(hù)作用，又要有適當(dāng)?shù)酿ざ取８叻悬c(diǎn)的醇保護(hù)效果較好，但黏度大、使用不便；低沸點(diǎn)的醇黏度低，但保護(hù)性差，因而可以考慮選擇混合醇的方法。有資料表明，乙醇、乙二醇、丙三醇和乙二醇丁醚的配比(質(zhì)量比)為2:8:8:1的混合溶劑效果上佳。舟山助焊劑銷(xiāo)售</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司是一家杭州正盟環(huán)保工程有限公司成立于1992年，坐落于杭州錢(qián)江經(jīng)濟(jì)開(kāi)發(fā)區(qū)。多年公司秉承“誠(chéng)信、創(chuàng)新、品質(zhì)、分享”的企業(yè)理念，依托區(qū)位、研發(fā)、生產(chǎn)、營(yíng)銷(xiāo)等相對(duì)優(yōu)勢(shì)，致力于“產(chǎn)、學(xué)、研”相結(jié)合和科研成果的轉(zhuǎn)化，先后與同濟(jì)大學(xué)環(huán)境科學(xué)與工程學(xué)院、原化工部成都研究所等學(xué)術(shù)機(jī)構(gòu)建立技術(shù)合作關(guān)系，在電子化學(xué)、環(huán)境功能材料等領(lǐng)域成績(jī)斐然。公司有同濟(jì)大學(xué)聯(lián)合實(shí)驗(yàn)室、科研成果孵化基地。成產(chǎn)基地、工程中心和銷(xiāo)售中心組成，擁有多項(xiàng)自主知識(shí)產(chǎn)權(quán)和新型實(shí)用技術(shù)，多臺(tái)套先進(jìn)生產(chǎn)、分析、檢測(cè)、計(jì)量設(shè)備，嚴(yán)格依照ISO090001:2000質(zhì)量保證體系運(yùn)行。正盟公司以先進(jìn)實(shí)用技術(shù)、質(zhì)量穩(wěn)定的產(chǎn)品和及時(shí)質(zhì)量的服務(wù)在業(yè)界廣受贊譽(yù)，產(chǎn)品廣泛應(yīng)用于電子、通訊、信息、航空航天、醫(yī)藥、石化等領(lǐng)域，取得良好市場(chǎng)反響和經(jīng)驗(yàn)業(yè)績(jī)。今后將繼續(xù)堅(jiān)持技術(shù)創(chuàng)新、品質(zhì)提升和優(yōu)化市場(chǎng)響應(yīng)，竭力為客戶帶來(lái)嶄新體驗(yàn)，不斷為客戶提供質(zhì)量產(chǎn)品。竭誠(chéng)歡迎新老客戶和社會(huì)各界朋友蒞臨我司參觀考察，指導(dǎo)交流，期待與您攜手、共創(chuàng)輝煌明天。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。正盟環(huán)保深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的助焊劑，錫絲，錫條，錫膏。正盟環(huán)保繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。正盟環(huán)保創(chuàng)始人李兆香，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br 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